diff --git a/app/views/origami/sale_edit/edit.html.erb b/app/views/origami/sale_edit/edit.html.erb
index 8c1144e5..3f65a8ad 100755
--- a/app/views/origami/sale_edit/edit.html.erb
+++ b/app/views/origami/sale_edit/edit.html.erb
@@ -59,7 +59,8 @@
                       </td>
                       <% if sale_item.remark != 'void' && sale_item.remark != 'edit' && sale_item.remark != 'foc' %>
                           <td class="p-1" width="5%">
-                            <input id="<%= sale_item.id %>_qty" data-id="<%= sale_item.id %>" type="text" value="<%= sale_item.qty %>" class="form-control "/>
+                            <input id="<%= sale_item.id %>_qty" data-id="<%= sale_item.id %>" type="text" value="<%= sale_item.qty %>" class="form-control " onkeyup="checkQuantity(this.value,'<%= sale_item.id %>');" onkeypress="return isNumberKey(event);" />
+                            <span id="<%= sale_item.id %>_qtyErr" style="color:red;"></span>
                           </td>
                           <td class="p-1" width="10%">
                             <input id="<%= sale_item.id %>_price" data-id="<%= sale_item.id %>" type="text" value="<%= sale_item.unit_price %>" class="form-control"/>
@@ -166,21 +167,27 @@ var cashier_type = "<%= @cashier_type %>";
             var sale_item_id = $(this).attr('data-id');
             var qty          = $('#' + sale_item_id + "_qty").val();
             var price        = $('#' + sale_item_id + "_price").val();
-            console.log(qty + "|" + price)
-            var ajax_url      = "/origami/item_edit";
-            $.ajax({
-                type: "POST",
-                url: ajax_url,
-                data: 'sale_item_id=' + sale_item_id + "&update_qty=" + qty + "&update_price=" + price,
-                success: function (result) {
-                    swal({
-                        title: "Information!",
-                        text: "Qty and Price was successfully Updated",
-                    }, function () {
-                       location.reload();
-                    });
-                }
-            });
+            console.log(qty + "|" + price);
+            if(qty > 0){
+              $('#' + sale_item_id + "_qtyErr").html("");
+              var ajax_url      = "/origami/item_edit";
+              $.ajax({
+                  type: "POST",
+                  url: ajax_url,
+                  data: 'sale_item_id=' + sale_item_id + "&update_qty=" + qty + "&update_price=" + price,
+                  success: function (result) {
+                      swal({
+                          title: "Information!",
+                          text: "Qty and Price was successfully Updated",
+                      }, function () {
+                         location.reload();
+                      });
+                  }
+              });
+            }else{
+              $('#' + sale_item_id + "_qtyErr").html("can't be blank");
+            }
+            
         });
 
         $('.void').on('click', function () {
@@ -311,4 +318,20 @@ var cashier_type = "<%= @cashier_type %>";
         return false;
       }
     });
+
+  //check for isNumber
+  function isNumberKey(evt) {
+    var charCode = (evt.which) ? evt.which : event.keyCode;
+    if (charCode > 31 && (charCode < 48 || charCode > 57)) {
+      return false;
+    } else {
+      return true;
+    }      
+  }
+
+  function checkQuantity(obj_value,sale_item_id) {
+      if(obj_value == '0'){
+        $("#"+sale_item_id+"_qty").val('1');
+      }
+  }
 </script>